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Business Acquisition (Details Textual) (USD $)
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Sep. 30, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Aug. 05, 2013
Mile Rail
location
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Dec. 03, 2012
Green Plains Grain Company
bu
T
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|---|---|---|---|---|---|
| Business Acquisition [Line Items] | |||||
| number of locations | 2 | ||||
| Goodwill | $ 58,554,000 | $ 58,554,000 | $ 58,554,000 | $ 4,167,000 | $ 33,175,000 |
| Payable to acquiree | $ 3,300,000 | ||||
| Grain storage capacity | 32,000,000 | ||||
| Nutrient storage capacity | 12,000 |